Characteristics
Dicots
Reynoutria japonica Houtt.
JAPANESE KNOTWEED
**
Reynoutria sachalinensis and R. x bohemica are very similar and difficult to distinguish from R. japonica (Freeman & Hinds in FNA, vol. 5).
Not Native UPL (NWPL)
**
No Plant Photo Available
Classification
CARYOPHYLLALES
Reynoutria japonica Houtt. - JAPANESE KNOTWEED
Citation
REYNOUTRIA JAPONICA Houttuyn, Nat. Hist. 2(8): 640, t. 51(1). 1777.
**
JAPAN:
Species Distribution Map

Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.

Source
Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Counties listed:

Range of years during which specimens were collected:

Plant Photos